Testing: Skip test_auto_backend on Python 3 because it's segfaulting …

…too much

spyder/plugins/tests/test_ipythonconsole.py

@@ -110,8 +110,9 @@ def close_console():
 @pytest.mark.slow
 @flaky(max_runs=3)
 @pytest.mark.auto_backend
-@pytest.mark.skipif(os.name == 'nt' or PYQT4,
-                    reason="It times out sometimes on Windows and it's not needed in PyQt4")
+@pytest.mark.skipif(os.name == 'nt' or PYQT4 or PY3,
+                    reason=("It times out sometimes on Windows, it segfaults "
+                            "in Python 3 and it's not needed in PyQt4"))
 def test_auto_backend(ipyconsole, qtbot):
     """Test that the automatic backend is working correctly."""
     # Wait until the window is fully up